[Info-vax] HP adds OpenVMS Mature Product Support beyond the end of Standard Support

[Johnny Billquist]

On 2014-02-01 07:41, Bill Gunshannon wrote:
> In article <lchjb3$94r$1 at iltempo.update.uu.se>,
> 	Johnny Billquist <bqt at softjar.se> writes:
>> On 2014-01-31 11:40, Bill Gunshannon wrote:
>>> In article <lcgn57$pgm$1 at iltempo.update.uu.se>,
>>> 	Johnny Billquist <bqt at softjar.se> writes:
>>>> On 2014-01-31 07:24, Bill Gunshannon wrote:
>>>>> But don't think it is only Unix that is going to outlast VMS, the VAX's
>>>>> great-grandfather the PDP-11 is now scheduled to be around in some very
>>>>> critical positions until at least 2050.  I wonder what OS or if it is a
>>>>> bare metal operation.
>>>>>
>>>>> http://www.theregister.co.uk/2013/06/19/nuke_plants_to_keep_pdp11_until_2050/
>>>>>
>>>>> Hmmm....   Maybe that's why some guy bought all that IP from Mentec...
>>>>
>>>> If I were to guess, they would be running RSX.
>>>> And yes, there are still PDP-11 CPUs being made. So the PDP-11 did
>>>> manage to outlive the VAX.
>>>
>>> It also outlived the Alpha dn I have little doubt it will outlive
>>> the Itanium.
>>
>> Good point. :-)
>>
>>>> I know of plenty of places still running PDP-11s in business critical
>>>> places. Some are being replaced by emulated machines, though.
>>>>
>>>
>>> If we could just get some fabbed with todays tech.  Just think what
>>> a performance jump you would get with just the process shrink.  Let's
>>> see, then we need SATA controllers.  How about modern (external)
>>> memory management?  Now, where's my plans for that PDP-11 laptop....
>>
>> You could an enormous performance jump. But what are you talking about
>> with memory management? There is nothing wrong with the MMU in the
>> PDP-11. The only problem the PDP-11 had was the age old thing Bell said
>> already in 1973 or so. Too few address bits...
>> Not that this obstacle can't be worked around, but that is the only
>> serious problem I can see.
>
> Exactly.  I would like to see it "worked around".  I have a 6809 with
> 16 address lines.  It has 512K of memory and I have seen this machine
> with as much as 2 meg.  I would like to see a PDP-11 with more than
> 2 Meg of memory.
>
> Of course, being as they are still being made, it would be real
> interesting to see a new PDP-11 with more address lines, too. :-)
> There I go dreaming again.  :-)  But, you have to admiit, it could
> be a lot of fun.
>
> Hmmm..   Let's see...  How many overlays would it take to get Open
> Office running on a PDP-11?   :-)

Eh.. What? Any "modern" PDP-11 already have 22 address lines...
My PDP-11 at home have 4 megs of ram.
Have you never seen a PDP-11 with that? Under which rock have you been 
the last 40 years, Bill? :-)

	Johnny